CA525044A - Machine a graver - Google Patents

Machine a graver

Info

Publication number
CA525044A
CA525044A CA525044A CA525044DA CA525044A CA 525044 A CA525044 A CA 525044A CA 525044 A CA525044 A CA 525044A CA 525044D A CA525044D A CA 525044DA CA 525044 A CA525044 A CA 525044A
Authority
CA
Canada
Prior art keywords
etching machine
etching
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA525044A
Other languages
English (en)
Inventor
A. Easley John
E. Eden William
E. Swayze Harry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Publication date
Application granted granted Critical
Publication of CA525044A publication Critical patent/CA525044A/fr
Expired legal-status Critical Current

Links

CA525044A Machine a graver Expired CA525044A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA525044T

Publications (1)

Publication Number Publication Date
CA525044A true CA525044A (fr) 1956-05-15

Family

ID=35678759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA525044A Expired CA525044A (fr) Machine a graver

Country Status (1)

Country Link
CA (1) CA525044A (fr)

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